A simple online calculator with the four operations, brackets, decimals and keyboard support. Enter your values; the result updates as you type, with the method shown below.
About this calculator
A simple online calculator with the four operations, brackets and a delete key, for quick everyday sums on a phone or a computer.
Click or tap the keys and press = to get the result.
When to use it
- Shopping and bills.
- Splitting costs.
- Quick work calculations.
- Checking a receipt.
How to read the result
Multiplication and division are done before addition and subtraction; use brackets to change the order.
⌫ deletes the last character and C clears everything.
Mistakes to avoid
- Forgetting brackets, as in 100 − 20 × 2.
- Using a comma where a point is expected, or the reverse.
- Typing two operators in a row.
Formula
Standard order of operations
Worked example
(12 + 8) × 3 ÷ 4 = 15.
Frequently asked questions
Can I use my keyboard?
Yes: digits, + − * /, Enter and Backspace.
Order of operations?
Multiplication and division come before addition and subtraction.
Percentages?
Use the percentage calculators.
Does it follow the order of operations?
Yes.
Is there a percentage key?
No, use the percentage calculator.
Need more functions?
Use the scientific calculator.
Related calculators
Results are estimates for information only. Check important figures with a professional.